Imagine you have been marooned on a desert island. You need to call for help, but there is no mobile phone coverage. You have salvaged some of the ships radio equipment, but there is no antenna and everything is in a total mess. You will have to test everything first to see if it still works. It is up to you to get things connected up and save the day. Quickly get your team together and work on a plan. Your survival may depend on it!